Established in 1999, Guangdong Tongyi Electrical Appliance Co., Ltd. is located in Guangzhou, a key city in southern China. Our company specializes in the research, development, manufacturing and selling of energy-saving air to water heat pump, geothermal heat pump and water to water heat pump and new energy electric appliances for more than ten years. We perform strictly in accordance with ISO9001 quality management system. Our products have been authorized CCC certification, and also successively authorized CE certification by the European Union Committee, and CB certificate by the International Electrician Organization. With a group of talents, we have successfully researched and developed such advanced heat pump products as the Heat Pump Swimming Pool Water Heater, Trinity Heat Pump for Underfloor or Fan coil Heating, hot water supply and cooling. We also have obtained multiple technology patents. Our heat pumps are widely distributed in European, North-south American and Asia-pacific market, and these air source heat pumps have received users' favorable comments. Tongyi, an outstanding Heat Pump brand, a developing enterprise, welcomes clients around the world to contact us for business cooperation.